CFD modelling of radiators in buildings with user-defined wall functions
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- 作者：Daniel Risberg ; daniel.risberg@ltu.se" class="auth_mail" title="E-mail the corresponding author ; Mikael Risberg ; Lars Westerlund
- 关键词：CFD modelling ; Radiator ; User-defined wall functions ; Indoor climate
- 刊名：Applied Thermal Engineering
- 出版年：2016
- 出版时间：5 February 2016
- 年：2016
- 卷：94
- 期：Complete
- 页码：266-273
- 全文大小：1017 K
文摘
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This paper studies how to deal with natural convective heat transfer for a radiator in order to simplify the simulations.
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By adding user-defined wall functions the number of cells can be reduced considerably compared with the k-ω SST turbulence model.
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Compared to manufacturer data the error of the model is less than 0.2% for the investigated radiator height and temperature.